struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
- if (pmgntframe == NULL)
+ if (!pmgntframe)
return;
/* update attribute */
break;
}
- if ((pbuf == NULL) || (ie_len == 0))
+ if (!pbuf || ie_len == 0)
break;
}
}
/* HT caps */
if (padapter->mlmepriv.htpriv.ht_option) {
p = rtw_get_ie((pmlmeinfo->network.ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_CAPABILITY_IE_, &ie_len, (pmlmeinfo->network.ie_length - sizeof(struct ndis_802_11_fixed_ie)));
- if ((p != NULL) && (!(is_ap_in_tkip(padapter)))) {
+ if (p && !is_ap_in_tkip(padapter)) {
memcpy(&pmlmeinfo->HT_caps, p + 2, sizeof(struct ieee80211_ht_cap));
/* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
/* da == NULL, assume it's null data for sta to ap*/
- if (da == NULL)
+ if (!da)
da = pnetwork->MacAddress;
do {
struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
/* da == NULL, assume it's null data for sta to ap*/
- if (da == NULL)
+ if (!da)
da = pnetwork->MacAddress;
do {
__le16 le_tmp;
pmgntframe = alloc_mgtxmitframe(pxmitpriv);
- if (pmgntframe == NULL)
+ if (!pmgntframe)
goto exit;
/* update attribute */
pbss_network = (struct wlan_bssid_ex *)&pnetwork->network;
p = rtw_get_ie(pbss_network->ies + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pbss_network->ie_length - _FIXED_IE_LENGTH_);
- if ((p == NULL) || (len == 0)) { /* non-HT */
+ if (!p || len == 0) { /* non-HT */
if ((pbss_network->Configuration.DSConfig <= 0) || (pbss_network->Configuration.DSConfig > 14))
continue;
return _SUCCESS;
psta = rtw_get_stainfo(pstapriv, addr);
- if (psta == NULL)
+ if (!psta)
return _SUCCESS;
if (initiator == 0) { /* recipient */
/* checking rate info... */
i = 0;
p = rtw_get_ie(bssid->ies + ie_offset, _SUPPORTEDRATES_IE_, &len, bssid->ie_length - ie_offset);
- if (p != NULL) {
+ if (p) {
if (len > NDIS_802_11_LENGTH_RATES_EX) {
DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
return _FAIL;
if (((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
- if (psta != NULL) {
+ if (psta) {
ret = rtw_check_bcn_info(padapter, pframe, len);
if (!ret) {
DBG_88E_LEVEL(_drv_info_, "ap has changed, disconnect now\n ");
}
} else if ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE) {
psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
- if (psta != NULL) {
+ if (psta) {
/* update WMM, ERP in the beacon */
/* todo: the timer is used instead of the number of the beacon received */
if ((sta_rx_pkts(psta) & 0xf) == 0)
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, &ie_len,
len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4);
- if ((p == NULL) || (ie_len <= 0)) {
+ if (!p || ie_len <= 0) {
DBG_88E("auth rejected because challenge failure!(1)\n");
status = _STATS_CHALLENGE_FAIL_;
goto auth_fail;
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, &len,
pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_);
- if (p == NULL)
+ if (!p)
goto authclnt_fail;
memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len);
/* check if the supported rate is ok */
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
- if (p == NULL) {
+ if (!p) {
DBG_88E("Rx a sta assoc-req which supported rate is empty!\n");
/* use our own rate set as statoin used */
/* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _EXT_SUPPORTEDRATES_IE_, &ie_len,
pkt_len - WLAN_HDR_A3_LEN - ie_offset);
- if (p != NULL) {
+ if (p) {
if (supportRateNum <= sizeof(supportRate)) {
memcpy(supportRate+supportRateNum, p+2, ie_len);
supportRateNum += ie_len;
p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0;
for (;;) {
p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset);
- if (p != NULL) {
+ if (p) {
if (!memcmp(p+2, WMM_IE, 6)) {
pstat->flags |= WLAN_STA_WME;
DBG_88E(" old AID %d\n", pstat->aid);
} else {
for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++)
- if (pstapriv->sta_aid[pstat->aid - 1] == NULL)
+ if (!pstapriv->sta_aid[pstat->aid - 1])
break;
/* if (pstat->aid > NUM_STA) { */
((o->bw == BW40MINUS) || (o->bw == BW40PLUS)))
continue;
- if (reg == NULL) {
+ if (!reg) {
reg = &channel_list->reg_class[cla];
cla++;
reg->reg_class = o->op_class;
ptxBeacon_parm = kmemdup(&pmlmeinfo->network,
sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
- if (ptxBeacon_parm == NULL) {
+ if (!ptxBeacon_parm) {
kfree(ph2c);
res = _FAIL;
goto exit;